Engine (3)

-€17.44

DRAG SPECIALTIES Oil Filter Line Kit — Chrome

Complete oil filter line kit with OEM-style feed and return lines, compression fittings, seals, and nuts for easy installation.

€49.31 €66.75

129" Power Package Engine Performance Kit — Bore 4.320", Stroke 4.375", Black

-€752.97

S&S CYCLE 129" Power Package Engine Performance Kit — Bore 4.320",...

Converts a 107" oil‑cooled M8 to 129" without case machining. Big-bore cylinders, matched cam and pump, MLS head gaskets. Made in USA.

€2,928.22 €3,681.19

-€5.09

DRAG SPECIALTIES Lower Fitting Seals — 10 Pack, Black

Seals for lower fittings used on oil feed and return lines; replace worn seals to prevent leaks.

€14.40 €19.49

$132\" Power Package Engine Performance Kit — 132\", 4.320\" bore, 4.500\" stroke$

-€778.33

S&S CYCLE 132\" Power Package Engine Performance Kit — 132\", 4.320\"...

Converts 114" or 117" water-cooled M8 to 132" displacement; includes big-bore cylinders, 550 performance cam, MLS head gaskets, and cam cover badge. Retains stock engine height and serial numbers.

€3,026.84 €3,805.17

-€6.32

DRAG SPECIALTIES Lower Fitting Seals — 10 pack, brown

Seals for lower fittings on oil feed and return lines; replace when worn to prevent leaks.

€17.86 €24.18

129" Power Package Engine Performance Kit — 129", bore 4.320", stroke 4.375", black

-€661.57

S&S CYCLE 129" Power Package Engine Performance Kit — 129", bore 4.320",...

Converts a 107" oil-cooled M8 to 129" with big-bore cylinders, matched cam and oil pump, MLS head gaskets; works with the stock crankcase.

€2,572.82 €3,234.39

132" Power Package Engine Performance Kit — 4.320" bore, 4.500" stroke, Black

-€661.57

S&S CYCLE 132" Power Package Engine Performance Kit — 4.320" bore,...

Complete S&S 132" Power Package kit to upgrade compatible 114" or 117" oil-cooled M8 engines; retains serial numbers, works with stock crankcase, and includes cam cover badge.

€2,572.82 €3,234.39

-€8.88

S&S CYCLE Oil Pump Compression Return Fitting — 50-8120, Chrome

Precision compression return fitting for oil pump installations. Made in the USA. Easy to install.

€25.05 €33.93

-€8.82

S&S CYCLE Supply/Return Line Elbow — 90° return line, Black

Precision elbow fitting for fluid routing. Made in the USA. Easy to install.

€34.32 €43.14

132" Power Package Engine Performance Kit — Bore 4.320", Stroke 4.500", Black Granite

-€778.33

S&S CYCLE 132" Power Package Engine Performance Kit — Bore 4.320",...

Complete kit to convert 114" or 117" oil-cooled M8 engines to 132" displacement while retaining stock height and serial numbers. Includes adjustable pressure relief valve, S&S valve springs, big-bore cylinders, MLS head gaskets and a performance-matched 550 cam.

€3,026.84 €3,805.17

129" Power Package Engine Performance Kit — 129", 4.320" bore, 4.375" stroke, Black

-€778.33

S&S CYCLE 129" Power Package Engine Performance Kit — 129", 4.320" bore,...

Complete kit to convert a 107" oil-cooled M8 into a 129" performance engine; includes matched cam, cam plate, oil pump, MLS head gaskets and serviceable passage plugs.

€3,026.84 €3,805.17

129" Power Package Engine Performance Kit — 4.320" bore, 4.375" stroke, Black

-€661.57

S&S CYCLE 129" Power Package Engine Performance Kit — 4.320" bore,...

Complete Power Package kit converts the 107" oil-cooled M8 to a big-bore setup with matched cam, oil pump, MLS gaskets and serviceable components.

€2,572.82 €3,234.39

Tracker Series™ Piston Kit — Bore 3.885", Oversize +0.010", Stroke 4.000", 1554 cc

-€68.28

WISECO Tracker Series™ Piston Kit — Bore 3.885", Oversize +0.010",...

Forged, precision-fit piston kit with ArmorGlide® coating; includes two pistons, rings, pins and circlips. Made in the USA.

€193.19 €261.47

$Tracker Series™ Piston Kit — Bore 3.895\", Stroke 4.000\", 1562 cc$

-€68.28

WISECO Tracker Series™ Piston Kit — Bore 3.895\", Stroke 4.000\",...

Two-piston kit with forged crowns, precision-fit rings, force-fed pin oiling and ArmorGlide® skirt coating for improved durability and sealing.

€193.19 €261.47

-€1.65

S&S CYCLE Fitting 1/8-27 — 1/8" NPT female, silver

Easy-to-assemble, high-quality fitting for reliable connections.

€6.52 €8.17

132" High Compression / 136" Big Bore Kit — 132", 136", stroke 4-1/2", 4-5/8"

-€346.84

S&S CYCLE 132" High Compression / 136" Big Bore Kit — 132", 136", stroke...

132" high-compression kit fits 114"/117" motors with 4-1/2" stroke flywheels; 136" requires a 4-5/8" S&S flywheel (sold separately).

€1,349.11 €1,695.95

Tracker Series™ Piston Kit — Bore 3.875 in, Stroke 4.375 in, 1691 cc

-€68.28

WISECO Tracker Series™ Piston Kit — Bore 3.875 in, Stroke 4.375 in,...

High-performance forged aluminum piston kit with ArmorGlide® skirt coating; includes two pistons, rings, pins and circlips. Made in USA.

€193.19 €261.47

On sale!
-€3.00

S&S CYCLE Fitting 1/8-27 — 1/8" NPT male, brass

Easy-to-assemble high-quality fitting for reliable hose connections.

€11.66 €14.66

-€346.84

S&S CYCLE Big Bore Kit — 132", 136", 4-1/2" stroke, 4-5/8" stroke

132" high-compression kit fits 114"/117" motors with a 4-1/2" stroke flywheel only. 136" big-bore requires an S&S 4-5/8" stroke flywheel (sold separately).

€1,349.11 €1,695.95

Tracker Series™ Piston Kit — Bore 3.885 in, Stroke 4.375 in, Oversize +0.010 in

-€68.28

WISECO Tracker Series™ Piston Kit — Bore 3.885 in, Stroke 4.375 in,...

Durable forged piston kit with low-friction skirt coating; includes two pistons, rings, pins and circlips, made in the USA.

€193.19 €261.47

132" High Compression / 136" Big Bore Kit — 4-1/2" & 4-5/8" stroke

-€346.84

S&S CYCLE 132" High Compression / 136" Big Bore Kit — 4-1/2" & 4-5/8"...

High-compression big bore kit increases compression and torque; requires a specific longer-stroke flywheel to reach the larger big bore (sold separately).

€1,349.11 €1,695.95

-€68.28

WISECO Tracker Series™ Piston Kit — Bore 3.895", Stroke 4.375", 1709 cc

High-strength forged piston kit with ArmorGlide® skirt coating for reduced friction and improved scuff resistance. Includes pistons, rings, pins and circlips. Made in USA.

€193.19 €261.47

Tracker Series™ Piston Kit — Bore 3.498", Stroke 3.812", Displacement 1200 cc

-€57.15

WISECO Tracker Series™ Piston Kit — Bore 3.498", Stroke 3.812",...

Premium forged pistons with precision-fit rings, force-fed pin oiling and ArmorGlide® skirt coating; complete kit with pins and circlips.

€161.68 €218.83

132" High Compression / 136" Big Bore Kit — 132 cu in, 136 cu in, 4.5 in stroke, 4.625 in stroke, Black

-€346.84
New

S&S CYCLE 132" High Compression / 136" Big Bore Kit — 132 cu in, 136 cu...

High-compression kit enabling 132" or 136" big bore capability; requires specific stroke flywheels. S&S flywheel needed for 136" (sold separately).

€1,349.11 €1,695.95

Tracker Series™ Piston Kit — Bore 3.508", Oversize +0.010", Stroke 3.812", CR 9.5:1

-€57.15

WISECO Tracker Series™ Piston Kit — Bore 3.508", Oversize +0.010",...

High-performance forged piston kit with ArmorGlide® skirt coating, precision rings, and force-fed pin oiling. Includes pistons, rings, pins, and circlips.

€161.69 €218.84

132" High Compression / 136" Big Bore Kit — 4-1/2" stroke, 4-5/8" stroke

-€346.84
New

S&S CYCLE 132" High Compression / 136" Big Bore Kit — 4-1/2" stroke,...

Fits 114"/117" motors with 4-1/2" stroke flywheels; 136" build requires S&S 4-5/8" flywheel (sold separately).

€1,349.11 €1,695.95

Tracker Series™ Piston Kit — Bore 3.518", Stroke 3-13/16", 1214 cc

-€57.15

WISECO Tracker Series™ Piston Kit — Bore 3.518", Stroke 3-13/16",...

High-strength forged pistons with precision-fit rings, force-fed pin oiling and ArmorGlide® skirt coating; two-piston kit includes pins and circlips.

€161.68 €218.83

-€1.03

DRAG SPECIALTIES Oil Drain Elbow — Black, Rubber

Directs used oil cleanly into a drain pan to minimize spills during oil changes.

€2.91 €3.94

Hose Clamp — 3/8" (9.5 mm), 10-pack, Black

-€2.93

JAGG OIL COOLERS Hose Clamp — 3/8" (9.5 mm), 10-pack, Black

Worm-drive clamp for secure, adjustable connections in custom oil cooler installations.

€11.36 €14.29

Out of Stock

WISECO Piston Kit

Upgrade your Harley-Davidson with our Piston Kit featuring advanced coatings, improved efficiency, and high compression for enhanced power. Includes two pistons, rings, pins, and circlips.

€191.28

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